A and b are complementary angles. a measures 67 degrees. what is the measure of b?

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30